view src/com/trilead/ssh2/crypto/cipher/NullCipher.java @ 0:0ce5cc452d02

initial version
author Carl Byington <carl@five-ten-sg.com>
date Thu, 22 May 2014 10:41:19 -0700
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package com.trilead.ssh2.crypto.cipher;

/**
 * NullCipher.
 *
 * @author Christian Plattner, plattner@trilead.com
 * @version $Id: NullCipher.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $
 */
public class NullCipher implements BlockCipher {
    private int blockSize = 8;

    public NullCipher() {
    }

    public NullCipher(int blockSize) {
        this.blockSize = blockSize;
    }

    public void init(boolean forEncryption, byte[] key) {
    }

    public int getBlockSize() {
        return blockSize;
    }

    public void transformBlock(byte[] src, int srcoff, byte[] dst, int dstoff) {
        System.arraycopy(src, srcoff, dst, dstoff, blockSize);
    }
}